Open and close the clip with one hand. After autoclaving, clip holds the processed bag closed for finial disposal. The closed internal dimension of the clip is 7/16?, suitable for CLS-1192 Autoclave Bags from 12 x 24? to 24 x 36?. Holds filled autoclaved bags closed during cycle. Clip permits bag to safely vent internal pressure during autoclaving. Sold 100 per case.